我正在创建一个测验,我有一个用于问题的 TextView ,一个用于答案的文本字段,以及一个用于检查答案是否正确的按钮。我有 2 个 xml 文件,一个用于问题数组,另一个用于答案数组。
public class ArrayAct extends Activity{
Button mButton;
EditText mEdit;
String [] mArray;
String [] mArray1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.arrayact);
mArray = getResources().getStringArray(R.array.Answers);
mArray1 = getResources().getStringArray(R.array.Questions);
final Button doneBtn = (Button)findViewById(R.id.doneBtn);
final EditText text = (EditText)findViewById(R.id.txtFld);
doneBtn.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (Arrays.asList(mArray).contains(text.getText().toString()))
Toast.makeText(getApplicationContext(), "Correct!", Toast.LENGTH_SHORT).show();
else
Toast.makeText(getApplicationContext(), "Incorrect.Please try again.", Toast.LENGTH_SHORT).show();
}
});
TextView textView = (TextView)findViewById(R.id.txtView);
Random random = new Random();
int maxIndex = mArray1.length;
int generatedIndex = random.nextInt(maxIndex);
textView.setText(mArray1[generatedIndex]);
}
我应该实现什么代码,以便检查输入的答案是否与问题的正确答案匹配?
最佳答案
尝试这种方式,希望这能帮助您解决问题。
public class ArrayAct extends Activity {
private Button doneBtn;
private EditText text;
private TextView textView;
private String [] mArray;
private String [] mArray1;
private int generatedIndex;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.arrayact);
textView = (TextView)findViewById(R.id.txtView);
doneBtn = (Button)findViewById(R.id.doneBtn);
text = (EditText)findViewById(R.id.txtFld);
mArray = getResources().getStringArray(R.array.Answers);
mArray1 = getResources().getStringArray(R.array.Questions);
doneBtn.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
if (mArray[generatedIndex].equals(text.getText().toString()))
Toast.makeText(getApplicationContext(), "Correct!", Toast.LENGTH_SHORT).show();
else
Toast.makeText(getApplicationContext(), "Incorrect.Please try again.", Toast.LENGTH_SHORT).show();
}
});
Random random = new Random();
generatedIndex = random.nextInt(mArray1.length);
textView.setText(mArray1[generatedIndex]);
}
}
关于android - 检查输入的答案是否匹配数组 xml android,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/25502626/